I think the big difference between the authorship of Shakespeare's works and those of Dylan, is that in 400 years no one will give a toss about who wrote Bob's ditties.   I could be wrong, but I am willing to take bets on this one.

But even in those distant future days, there will be some, no doubt, who continue to chant words to the effect of "Of Course Bill Shakespeare Wrote Them Plays - Every Schoolboy Knows That".   This allows them to dismiss any further discussion as being unnecessary.   Furthmore, anyone who disagrees with the chanter is just a stupid conspiracy theory fanatic, right?

And possiby 800 years of denial by the uneducated and the ill-informed will settle the matter once and for all.   :-)

Meanwhile, anyone want to comment on the sonnet to Queen Elizabeth I that de Vere published in his own name in 1570? It is reputed to be the first 14-liner ever written in the ababcdcdefefgg rhyme schema.   (Bill must, at least, owe the Earl a debt of gratitude - for all of the sonnets he wrote later follow this format).